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Groundwater levels for the Nation

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USGS 400811075494801 CH 4777

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°08'11", Longitude  75°49'48" NAD27
Land-surface elevation 655 feet above NGVD29
The depth of the well is 185 feet below land surface.
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Graphitic Gneiss, Granulite Facies (400GPCGG) local aquifer.
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Graph of groundwater level data at USGS 400811075494801 CH 4777
Breaks in the plot represent a gap of at least one year between field measurements.
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